Fix include guards
diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.h b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
index c1af304..b39b463 100644
--- a/src/core/ext/lb_policy/grpclb/load_balancer_api.h
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+#ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
+#define GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H
 
 #include <grpc/support/slice_buffer.h>
 
@@ -82,4 +82,4 @@
 }
 #endif
 
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */
+#endif /* GRPC_CORE_EXT_LB_POLICY_GRPCLB_LOAD_BALANCER_API_H */
diff --git a/src/core/ext/lb_policy/pick_first/pick_first.h b/src/core/ext/lb_policy/pick_first/pick_first.h
index dba86ea..23a018b 100644
--- a/src/core/ext/lb_policy/pick_first/pick_first.h
+++ b/src/core/ext/lb_policy/pick_first/pick_first.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_PICK_FIRST_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_PICK_FIRST_H
+#ifndef GRPC_CORE_EXT_LB_POLICY_PICK_FIRST_PICK_FIRST_H
+#define GRPC_CORE_EXT_LB_POLICY_PICK_FIRST_PICK_FIRST_H
 
 #include "src/core/lib/client_config/lb_policy_factory.h"
 
@@ -40,4 +40,4 @@
  * the first subchannel from \a subchannels to succesfully connect */
 grpc_lb_policy_factory *grpc_pick_first_lb_factory_create();
 
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_PICK_FIRST_H */
+#endif /* GRPC_CORE_EXT_LB_POLICY_PICK_FIRST_PICK_FIRST_H */
diff --git a/src/core/ext/lb_policy/round_robin/round_robin.h b/src/core/ext/lb_policy/round_robin/round_robin.h
index 52db1ca..4cac868 100644
--- a/src/core/ext/lb_policy/round_robin/round_robin.h
+++ b/src/core/ext/lb_policy/round_robin/round_robin.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_ROUND_ROBIN_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_ROUND_ROBIN_H
+#ifndef GRPC_CORE_EXT_LB_POLICY_ROUND_ROBIN_ROUND_ROBIN_H
+#define GRPC_CORE_EXT_LB_POLICY_ROUND_ROBIN_ROUND_ROBIN_H
 
 #include "src/core/lib/client_config/lb_policy.h"
 
@@ -43,4 +43,4 @@
 /** Returns a load balancing factory for the round robin policy */
 grpc_lb_policy_factory *grpc_round_robin_lb_factory_create();
 
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICIES_ROUND_ROBIN_H */
+#endif /* GRPC_CORE_EXT_LB_POLICY_ROUND_ROBIN_ROUND_ROBIN_H */